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CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY AND MEZZANINE EQUITY (Parenthetical) (Unaudited) - $ / shares
3 Months Ended
Mar. 31, 2020
Sep. 30, 2019
Jun. 30, 2019
Mar. 31, 2019
Statement Of Stockholders Equity [Abstract]        
Dividends on common stock per share $ 0.10 $ 0.10 $ 0.10 $ 0.10